All Questions
Tagged with specular pathtracing
6
questions
0
votes
1
answer
207
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total internal reflection implementation in pbrt-v3
I've been implementing a path tracer, referring pbrt-v3. However, I'm a bit confused about its implementation. Code is here.
It seems when we sample to do transmission, it tests if it meets a total ...
2
votes
0
answers
484
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How to simulate specular reflection in Light Tracing?
I am implementing light tracing from this website.
The right wall on the below image is perfect mirror(specular reflection). Its BRDF returns zero that's why it's been rendered black. But how is it ...
3
votes
0
answers
565
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Problem with specular BRDF (Monte Carlo & Path Tracing)
Above on the left is my attempt and on the right is what I'm aiming for.As you can see my sphere with the specular brdf has a weird dark ring
In my radiance function I am recursing through the ...
1
vote
0
answers
211
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Pathtracing specular reflections vs. specular highlights
In path-tracing, is a specular reflection model like Blinn-Phong useful? Is it more accurate to render a complete reflection dependent on the objects roughness?
3
votes
1
answer
370
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How to send shadow rays to window light source with glazing
For rendering an indoor scene where light source is skylight coming in through
the window opening, one can consider the window polyline as the light
source, with the sky distribution, in direct ...
31
votes
2
answers
7k
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Path tracing the Cook-Torrance BRDF
-- Sorry for the long post, but I prefer to do that way because "Devil is in the details." :)
I am writing a path tracer from the scratch and it is working nicely for perfectly diffuse (Lambertian) ...